Bola Preta

Recording by Hamilton De Holanda.

Recording identifiers

ISRC
BRDEP1800128
CopyrightID (CopyrightChains transaction hash)
0x3df2f91da3d8a26c1a7d76b1fd0daf60d3c0db0f6af0831a677305e1bc455f42
Copyright registration time
2026-07-07T17:21:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0fdebfae9d19079fc841117d207ada9169dd1bcc8cb55fac3401234c86b71414

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.